<template>
  <div class="row">
    <!--  展示用户列表  -->
    <div v-show="info.users.length"  class="card" v-for="user in info.users" :key="user.login">
      <a :href="user.html_url" target="_blank">
        <img :src="user.avatar_url" style='width: 100px'/>
      </a>
      <p class="card-text">{{user.login}}</p>
    </div>
    <!-- 展示欢迎词   -->
    <h2 v-show="info.isFirst">Welcome to use！</h2>
    <!--  展示加载中  -->
    <h2 v-show="info.isLoading">Loading...</h2>
    <!--  展示错误......  -->
    <h2 v-show="info.errMsg">{{info.errMsg}}</h2>
  </div>
</template>

<script>
export default {
  name: "List",
  data(){
    return{
      info:{
        isFirst:true,
        isLoading:false,
        errMsg:'',
        users:[]
      }
    }
  },
  mounted() {
    this.$bus.$on('updateListData',(dataObj)=>{
      // this.users = users
      // this.info = dataObj
      this.info = {...this.info,...dataObj}  //为了不弄丢isFirst，将所有属性都摆出来，同名赋值，不同保留
    })
  }
}
</script>

<style scoped>
  .album {
    min-height: 50rem; /* Can be removed; just added for demo purposes */
    padding-top: 3rem;
    padding-bottom: 3rem;
    background-color: #f7f7f7;
  }

  .card {
    float: left;
    width: 33.333%;
    padding: .75rem;
    margin-bottom: 2rem;
    border: 1px solid #efefef;
    text-align: center;
  }

  .card > img {
    margin-bottom: .75rem;
    border-radius: 100px;
  }
</style>